101 lines
2.9 KiB
JavaScript
101 lines
2.9 KiB
JavaScript
"use strict";
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const chalk = require("chalk");
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const dedent = require("dedent");
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const fs = require("fs");
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const prsMergedSince = require("prs-merged-since");
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const semver = require("semver");
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const { logPromise, waitForEnter } = require("../utils");
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function getBlogPostInfo(version) {
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const date = new Date();
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const year = date.getFullYear();
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const month = new String(date.getMonth() + 1).padStart(2, "0");
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const day = new String(date.getDate()).padStart(2, "0");
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return {
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file: `website/blog/${year}-${month}-${day}-${version}.md`,
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path: `blog/${year}/${month}/${day}/${version}.html`
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};
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}
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async function getMergedPrs(previousVersion) {
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const prs = await prsMergedSince({
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repo: "prettier/prettier",
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tag: previousVersion,
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githubApiToken: process.env.GITHUB_API_TOKEN
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});
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return prs
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.map(pr => `- ${pr.title} ([#${pr.number}](${pr.html_url}))`)
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.join("\n");
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}
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function writeChangelog({ version, previousVersion, releaseNotes }) {
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const changelog = fs.readFileSync("CHANGELOG.md", "utf-8");
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const newEntry = dedent`
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# ${version}
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[link](https://github.com/prettier/prettier/compare/${previousVersion}...${version})
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${releaseNotes}
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`;
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fs.writeFileSync("CHANGELOG.md", newEntry + "\n\n" + changelog);
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}
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module.exports = async function({ version, previousVersion }) {
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const semverDiff = semver.diff(version, previousVersion);
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if (semverDiff !== "patch") {
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const blogPost = getBlogPostInfo(version);
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writeChangelog({
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version,
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previousVersion,
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releaseNotes: `- [Release Notes](https://prettier.io/${blogPost.path})`
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});
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if (fs.existsSync(blogPost.file)) {
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// Everything is fine, this step is finished
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return;
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}
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console.warn(
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dedent(chalk`
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{yellow warning} The file {bold ${
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blogPost.file
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}} doesn't exist, but it will be referenced in {bold CHANGELOG.md}. Make sure to create it later.
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Press ENTER to continue.
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`)
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);
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} else {
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if (!process.env.GITHUB_API_TOKEN) {
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console.log(
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chalk`{yellow warning} GitHub API access token missing. You can expose a token via {bold GITHUB_API_TOKEN} environment variable.`
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);
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}
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const releaseNotes = await logPromise(
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"Fetching merged PRs",
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getMergedPrs(previousVersion)
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);
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writeChangelog({
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version,
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previousVersion,
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releaseNotes
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});
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console.log();
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console.log(
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dedent(chalk`
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{yellow.bold A manual step is necessary.}
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The script has updated the file {bold CHANGELOG.md} with all the merged PRs since the last release.
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You must edit it to focus only on relevant changes and make sure they have meaningful titles.
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You don't need to commit the file, the script will take care of that.
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When you're finished, press ENTER to continue.
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`)
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);
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}
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await waitForEnter();
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};
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